An enormous photo-sharing community, many of the images in which are licenced under Creative Commons – check image record for licencing info. Thumbnail indices. Available resolutions determined by contributor. By joining Flickr you can build up collections from images in the repository and add your own metadata tags. Remix is a group in example of creative commons licensed pictures artists.

A large library of high-quality photos and textures, produced by multimedia designers. The concentration is on nature, objects, architecture, and vehicles – there are no people photos at all. A unique feature is the abstract search, where you can look for a type of image (bright, soft, glossy, etc) rather than an image of something. You can also create your own downloadable clippings library (similar to sets in Flickr).

A bank of “free high resolution digital stock photography for either corporate or public use”. Thumbnail and low-res views online, high-res images downloadable as .zip files.Sorted by broad-brush categories, browsable and searchable.

A very large repository of high-quality photography, categorised and searchable. Thumbnail views, photos available in medium- and high-res. Each image record lists the restrictions, if any, placed on usage by the contributor.